<template>
  <div>
    <el-card>
      <div name="echart" id="main" style="width: 400px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
export default {
  methods: {
    drawChart() {
      // 基于准备好的dom，初始化echarts实例
      let myChart = this.$echarts.init(document.getElementById("main"));
      // 指定图表的配置项和数据
      let option = {
        title: {
          text: "最近销售热门",
        },
        // itemStyle: {
        //   emphasis: {
        //     shadowBlur: 200,
        //     shadowColor: "rgba(0, 0, 0, 0.5)",
        //   },
        // },
        tooltip: {},
        legend: {
          data: ["销量"],
        },
        xAxis: {
          data: ["电视", "空调", "洗衣机", "热水壶"],
        },
        yAxis: {},
        series: [
          {
            name: "销量",
            type: "bar",
            data: [5, 20, 36, 10, 10, 20],
          },
        ],
      };
      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    },
  },
  mounted() {
    this.drawChart();
  },
};
</script>

<style>
</style>